Looking into your error_log makes the iompression that all works
correctly. The job is sent with a grayscale option and the option is
correctly applied to the driver. If the printout is still color than the
bug is in Canon's (closed-source) printer driver. Please report the
problem to Canon.
Thank you for your bug report
Till, do you have any idea how to debug such issues?
** Changed in: evince (Ubuntu)
Importance: Undecided = Low
** Changed in: evince (Ubuntu)
Assignee: (unassigned) = Till Kamppeter (till-kamppeter)
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Please follow the instructions of the sections CUPS error_log and
Capturing print job data on
https://wiki.ubuntu.com/DebuggingPrintingProblems.
** Changed in: evince (Ubuntu)
Status: New = Incomplete
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Here is the error_log, when I print using Evince.
** Attachment added: error_log
https://bugs.launchpad.net/ubuntu/+source/evince/+bug/1083396/+attachment/3445648/+files/error_log
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and here is the printout which I got by the method outlined in the wiki
** Attachment added: printout
https://bugs.launchpad.net/ubuntu/+source/evince/+bug/1083396/+attachment/3445665/+files/printout
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